In order to help separate the effects of your independent variable from the effects of chance or other random variables, you need to have _____
A)100% control over all variables.
B)a control group.
C)an experimental group.
D)a representative sample.

Question

Quizplus · Accepted Answer

A control group is not exposed to the independent variable, so if they experience change in the dependent variable similar to the experimental group, it indicates your independent variable may not be the cause of the changes.

In Order to Help Separate the Effects of Your Independent